SpeechLine SL HEADMIC SET DW-3 Omni Headmic 1.9GHz INC RMK

SpeechLine Features

• Automatic Frequency Management:  No frequency planning or manual fine tuning required due to Auto Frequency Management.
• Automatic Audio Level Management:  Adjusts gain levels and sensitivity fully automatically and always guarantees superior audio clarity.
• Remote App:  Easy monitoring and operation via the Wireless System Remote App for iOS or Android.
• Optimum Speech Intelligibility:  Audio presets for male/female voices, and preconfigured sound profiles for dedicated settings.
• Automatic Interference Management:  Actively avoids wireless transmission disturbances by quickly switching to a free frequency.
• Convenient Recharging:  Powerful Li-Ion technology - Outstanding battery life up to 15 h.
• License-Free:  License-free operation, no registration required.
• Future-Proof 1.9 GHz: A smart investment in a future-proof frequency range.
• Advanced 256-Bit AES Encryption:  The strongest encryption algorithm for secure wireless transmission.
• Multichannel Operation:  Up to 20 RF channels per range (dependant on local regulations).

System Specifications

General

• AF frequency response:   20 to 20,000 Hz
• Dynamic range:   > 120 dB (A)
• THD (1 kHz):   typ. 0.1 %
• Audio sampling:   24 bit/48 kHz
• Signal-to-noise ratio:   > 90 dB (A)
• Encryption:   AES 256
• Modulation:   GFSK with back channel
• Transmission method:   TDMA   |   Space diversity
• Latency:   19 ms

Temperature range - relative air humidity max. 95 %

• Operation:   –10 °C to +55 °C
• Storage:   –20 °C to +70 °C
• Temperature range is influenced by battery characteristics.

RF frequency ranges:

• EU: 1,880 to 1,900 MHz
• USA: 1,920 to 1,930 MHz
• Brazil: 1,910 to 1,920 MHz
• Taiwan: 1,880 to 1,895 MHz
• Japan: 1,893 to 1,906 MHz

Headmic Specifications

General

• Frequency response:   20 to 20,000 Hz ± 3 dB
• Pick-up pattern:   omni-directional
• Nominal impedance @ 1 kHz:   1 kΩ
• Min. terminating impedance:   4.7 kΩ
• Sensitivity:   5 mV/Pa ± 3 dB
• Diameter of mic capsule:   3.3 mm
• Max. sound pressure level:   143 dB
• Equivalent noise level:   27 dB(A)
• Supply current:   approx. 240 μA
• Power supply:   4.5 to 15 V
• Relative air humidity max.:    95 %
• Cable length:    1.6 m
• Diameter of boom arm:    1.1 mm
• Connector:    3.5 mm jack plug or Sennheiser special connector (-4 variant)
• Weight (without cable):    approx. 7 g

Temperature range

• Operation:    -10 °C to 50 °C  (14 °F to 122 °F)
• Storage:   -20 °C to 70 °C  (-4 °F to 158 °F)

SpeechLine Body Pack Specifications

General

• RF output power:   adaptive, up to 250 mW  (country-specific)
• Line input impedance:  1 MΩ
• Input sensitivity:   automatic sensitivity adjustment
• AF connection socket:   3.5 mm jack socket, lockable
• Weight (w/o accupack):   approx. 88 g

AF frequency response

• Mic:   50 to 20,000 Hz
• Line:   20 to 20,000 Hz

Max. input level

• Mic:   2.2 V RMS
• Line:   3.3 V RMS

Power supply

• Accupack:   BA 30 (Li-Ion, 3.7 V)
• Batteries (optional occessory):   2 x AA size battery (1.5 V)

Operating time

• Accupack:   typ. 15 h
• Batteries (optional accessory):   typ. 11 h

SpeechLine Rack Receiver Specifications

General

• RF sensitivity:  < –90 dBm
• RF output power back channel:   adaptive, up to 250 mW (country-specific)
• Display:  OLED
• Network protocol:   Media Control Protocol  |  TCP/IP IPv4 (DHCP, Manual)/IPv6
• Power supply:   12 V DC
• Current consumption:   350 mA
• AF connection sockets:   XLR/2 x RCA
• Antenna sockets:   2 x Rev-SMA
• Network socket:   RJ45
• DC socket for power supply:   hollow jack
• Weight:   approx. 828 g

Digital gain:  adjustable in 6-dB steps

• Mic/line level switch:   –24 dB/0 dB
• XLR, balanced:   max. +18 dBu
• RCA, unbalanced:   max. +6 dBu

Audio effects

• Low cut:   –3 dB at 120 Hz
• Equalizer:   7-band graphic equalizer with sound presets
• Automatic gain control AGC:   Compression/expansion with automatic make-up gain function

What's in the Box?

• SL Headmic 1
• SL Bodypack DW
• SL Rack Receiver DW
• BA 30 rechargeable battery
• GA 4 Rackmount Kit and pouch